题目内容

According to what you have learnt, an informative speech should tell listeners something they ____.

A. did not know before
B. already know
C. like to hear old or new
D. have forgotten

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If in your informative speech, you explained the size, shape, weight and color of the diamond, this would be an example of ____

A. comparison and contrast
B. definition
C. narration
D. description

An informative speech about the discovery of gravity and the historical reaction to the event is which kind of expository speech?____

A. a theory, principle, or law
B. historical events and forces
C. political, economic, social or religious influences
D. creative work

The use of a model as a presentation aid is especially helpful when explaining ____.

A. trends
B. currents
C. the growth of something
D. complex structures

Bar graphs use rectangles, ovals, diamonds and potentially numerous other shapes to define the type of step. ( )

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